Home / 459,082.64-688,676.38-122,137.02

Finding the Fourth Proportional to 459,082.64, 688,676.38 and 122,137.02

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Solution

The fourth proportional to 459,082.64, 688,676.38 and 122,137.02 is: 183,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,082.64 : 688,676.38 = 122,137.02 : x
  2. Step 2: Convert to fraction form
    459,082.64/688,676.38 = 122,137.02/x
  3. Step 3: Cross multiply
    459,082.64x = 688,676.38 × 122,137.02
  4. Step 4: Simplify right side
    459,082.64x = 84,112,880,492.25
  5. Step 5: Solve for x
    x = 84,112,880,492.25/459,082.64
  6. Step 6: Final answer
    x = 183,219.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.